Showing 2,841 - 2,860 results of 4,095 for search '"spectroscopy"', query time: 0.05s Refine Results
  1. 2841

    The Pre-Polarization and Concentration of Cells near Micro-Electrodes Using AC Electric Fields Enhances the Electrical Cell Lysis in a Sessile Drop by Kishor Kaphle, Dharmakeerthi Nawarathna

    Published 2025-01-01
    “…A post-lysis analysis was performed using a hemocytometer, UV-vis spectroscopy, and fluorescence imaging. The results show that the pre-electric polarization of cells, prior to applying short electrical pulses, enhances the cell lysis efficiency. …”
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  2. 2842

    Characterization of Manganese Oxide and the Adsorption of Copper(II) and Lead(II) Ions from Aqueous Solutions by Weihua Zou, Jinghua Zhang, Ke Li, Pan Han, Runping Han

    Published 2009-07-01
    “…Scanning electron microscope (SEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and infrared (IR) analyses were used to characterize the manganese oxide. …”
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  3. 2843

    Structural and antibacterial properties of AgFe2O4 and Fe3O4 nanoparticles, and their nanocomposites by Azam Hashemi, Hadis Tavafi, Mahmoud Naseri, Hossein Mojtabazadeh, Mina Abedi, Narges Tork

    Published 2024-02-01
    “…The degree of crystallinity, phase composition, microstructure, and the compositions of the samples were determined using X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, field emission scanning electron microscopy (FESEM), and energy dispersive X-ray analysis (EDXA), respectively. …”
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  4. 2844

    Highly Sensitive Amperometric α-Ketoglutarate Biosensor Based on Reduced Graphene Oxide-Gold Nanocomposites by Gang Peng, Yadong Yu, Xiaojun Chen, He Huang

    Published 2020-01-01
    “…The rGO-Aunano composite was one-step electrodeposited onto glassy carbon electrode (GCE) surface and was characterized by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), and electrochemical techniques. In addition, the rGO-Aunano/GCE was also found to electrocatalyze the oxidation of β-nicotinamide adenine dinucleotide (NADH) at the peak potential of 0.3 V, which was negatively shifted compared with that at bare GCE or Aunano/GCE, illustrating better catalytic performance of rGO-Aunano. …”
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  5. 2845

    Inhibitory Effect of (2S)-Pinocembrin From Goniothalamus macrophyllus on the Prostaglandin E2 Production in Macrophage Cell Lines by Hilwan Yuda Teruna, Kamal Rullah, Rudi Hendra, Rahayu Utami, Deri Islami, Siti Munirah Mohd Faudzi, Mohd Fadhlizil Fasihi Mohd Aluwi, Kok Wai Lam

    Published 2024-01-01
    “…The absolute configuration was determined using electronic circular dichroism (ECD) spectroscopy. This compound was then tested for its inhibitory activity on prostaglandin E2 (PGE2) and subjected to docking simulations. …”
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  6. 2846

    Study of the Antagonism of Biocontrol Strains Against the Blue-Stain Fungus of Rubberwood by Xiaolong Wu, Susu Yang, Jun Li, Jian Qiu, Lei Qin

    Published 2025-01-01
    “…The morphology and distribution of the strains on the wood were observed using polarized light and fluorescence microscopy, infrared spectroscopy, scanning electron microscopy (SEM–EDS), and X-ray diffraction (XRD). …”
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  7. 2847

    Bioactive Potential of 3D-Printed Oleo-Gum-Resin Disks: B. papyrifera, C. myrrha, and S. benzoin Loading Nanooxides—TiO2, P25, Cu2O, and MoO3 by Diogo José Horst, Sergio Mazurek Tebcherani, Evaldo Toniolo Kubaski, Rogério de Almeida Vieira

    Published 2017-01-01
    “…The oleo-gum-resins from benzoin, myrrha, and olibanum in pure state and also charged with 10% of metal oxide nanoparticles, TiO2, P25, Cu2O, and MoO3, were characterized by ultraviolet-visible (UV-Vis) and Fourier transform infrared (FTIR) spectroscopy, energy-dispersive X-ray microanalysis (EDXMA), scanning electron microscopy (SEM), and differential scanning calorimetry (DSC). …”
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  8. 2848

    Characterization and Surface Acidity Modelling of an Iron Oxide-Impregnated Activated Carbon by Ronald L. Vaughan, John Yang, Laura E. LeMire, Brian E. Reed

    Published 2007-06-01
    “…The FeAC surface was characterized by measuring the surface area, using scanning electron microscopy and electron dispersive spectroscopy to confirm the presence of Fe, and determining the species at the carbon surface [Fe oxides, predominately hematite (α-Fe 2 O 3 )] using X-ray diffraction and differential thermal analysis. …”
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  9. 2849
  10. 2850

    Lepidium sativum Seed Extract-Mediated Synthesis of Zinc Oxide Nanoparticles: Structural, Morphological, Optical, Hemolysis, and Antibacterial Studies by Adnan Alnehia, Annas Al-Sharabi, Abdel-Basit Al-Odayni, A. H. Al-Hammadi, Fares H. AL-Ostoot, Waseem Sharaf Saeed, Naaser A. Y. Abduh, Ali Alrahlah

    Published 2023-01-01
    “…The obtained ZnO NPs were characterized by X-ray diffraction, scanning electron microscopy, Fourier transform infrared, and ultraviolet-visible spectroscopy. The in vitro antibacterial activity of ZnO NPs against Gram-positive (S. aureus) and Gram-negative (E. coli) bacteria was assessed using the disk diffusion technique. …”
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  11. 2851

    Effective Photodegradation of Methyl Orange Using Fluidized Bed Reactor Loaded with Cross-Linked Chitosan Embedded Nano-CdS Photocatalyst by Wai Szeto, Chi Wai Kan, C. W. M. Yuen, Shun-Wan Chan, Kim Hung Lam

    Published 2014-01-01
    “…The catalyst composite was characterized by using X-ray diffraction (XRD), transmission electron microscopy (TEM), thermogravimetric analysis (TGA), fourier transform infrared (FT-IR), and visible reflectance spectroscopy. The dye removal mechanism of methyl orange involved an initial sorption process followed by photodegradation. …”
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  12. 2852

    Eggplant anthocyanin-mediated zinc oxide nanoparticles incorporated multifunctional film (hydroxypropyl methylcellulose/chitosan) for Caspian Sea white fish (kutum Rutilus frisii)... by Mahsa Salehi, Amir Shakerian, Zohreh Mashak, Ebrahim Rahimi

    Published 2025-06-01
    “…Fourier-transform infrared spectroscopy and X-ray diffraction results confirmed the presence of CH, ACNs, and ZnONPs in the film matrix. …”
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  13. 2853

    Mechanical and Thermal Performances of Banana Fiber–Reinforced Gypsum Composites by Md. Abdur Rouf, Md. Rubel Alam, Shah Alimuzzaman Belal, Yeasin Ali, Md Zillur Rahman

    Published 2025-01-01
    “…Scanning electron microscopy demonstrates that alkali treatment improves the fiber–gypsum interfacial bonding, whereas Fourier transform infrared spectroscopy confirms the existence of hydrogen bonds but shows minimal bond formation between the fibers and gypsum. …”
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  14. 2854

    Studies on Modeling and Physicochemical Properties of Oil Extracted from Moringa stenopetala Seed by Lema Deme Shumi, Ebise Getacho Bacha

    Published 2022-01-01
    “…Fourier-transform infrared spectroscopy (FT-IR) analysis shows that the oil contains both ester carbonyl (C=O) functional groups saturated and unsaturated fatty acid. …”
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  15. 2855

    Brain MR Contribution to the Differential Diagnosis of Parkinsonian Syndromes: An Update by Giovanni Rizzo, Stefano Zanigni, Roberto De Blasi, Daniela Grasso, Davide Martino, Rodolfo Savica, Giancarlo Logroscino

    Published 2016-01-01
    “…Furthermore, advanced MR techniques, such as morphometric-volumetric analyses, diffusion-weighted imaging, diffusion tensor imaging, tractography, proton MR spectroscopy, and iron-content sensitive imaging, have been used to obtain quantitative parameters useful to increase the diagnostic accuracy. …”
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  16. 2856

    Age group classification based on optical measurement of brain pulsation using machine learning by Martti Ilvesmäki, Hany Ferdinando, Kai Noponen, Tapio Seppänen, Vesa Korhonen, Vesa Kiviniemi, Teemu Myllylä

    Published 2025-01-01
    “…Abstract Optical techniques, such as functional near-infrared spectroscopy (fNIRS), contain high potential for the development of non-invasive wearable systems for evaluating cerebral vascular condition in aging, due to their portability and ability to monitor real-time changes in cerebral hemodynamics. …”
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  17. 2857

    Texture and Microstructure of Thermally-Treated Acid-Leached Kaolinitic Clays by Mervat Hassan, Hassan El-Shall

    Published 2009-09-01
    “…Natural and modified kaolinitic clays were investigated by X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM and EDS) and N 2 adsorption techniques. …”
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  18. 2858

    Atmospheric air plasma pre-activation and customizable covalent functionalization of PVDF-membranes of microtiter filter plates by Bálint Árpád Ádám, Sára Spátay, Bálint Jávor, Szabolcs László, Levente Illés, Péter Fürjes, Tünde Tóth, Péter Huszthy, Ádám Golcs

    Published 2025-01-01
    “…For critical comparison, contact angle measurements, surface ATR-FTIR, 1H-NMR, 19F-NMR, UV–Vis spectroscopy, scanning electron microscopy and permeability tests were used.…”
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  19. 2859

    Enhancing adsorption efficiency for camouflage clothing through activated carbon and inorganic composite coatings by Kittiphop Promdee, Doungkamon Phihusut, Apisake Monthienvichienchai, Natthapong Monarumit

    Published 2025-06-01
    “…The process’s protective efficacy was analyzed by a scanning electron microscope (SEM), examining pore size distribution, UV–Vis NIR, and atomic adsorption spectroscopy (AAS). SEM images of military camouflage texture treated with activated carbon, Talc, TiO2 and Bentonite in 50x, 100x, 200x, 400x, 800x and 1,000x magnifications reveal composite materials between powder materials and binder composites in the camouflage texture, arranged in an organized amorphous configuration. …”
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  20. 2860

    Antihuman Immunodeficiency Virus Type 1 (HIV-1) Activity of Rare Earth Metal Complexes of 4-Hydroxycoumarins in Cell Culture

    Published 2006-01-01
    “…The complexes were characterized by different physicochemical methods: mass spectrometry, ¹H NMR, ¹³C NMR, and IR spectroscopy. The spectra of the complexes were interpreted on the basis of comparison with the spectrum of the free ligands. …”
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